Image Number D836-4

To measure cognition in rats, ARS scientists used video imaging of a pool to track the route rats took to find a submerged platform (the end point of their swim).  This diagram of the top view of a later trial of a rat fed blueberry extract shows that the rat learned quickly to locate the platform.

Image by Barbara Shukitt-Hale.

640 pixels wide: (d836-4.jpg)